for through sometimes on during here next since at in
1.Jack has gone away.He'll be back_____next week.
2.We're having a party_____Saturday.Can u com?
3.I've got an interview next week.It's at 9.30 ______Tuesday morning.
4.Sue isn't usually here____weekends.She goes away.
5.The train service is very good.The trains are nearly always_____on time.
6.It was a confusing situation.Many things were happening_____the same time.
7.I could't decide whether or not to buy that sweater._____the end I decided to leave it.
8.The road is busy all the time,even_____the night
9.I met a lot of nice people_____my stay in NY
10.I saw Helen last friday,But I haven't seen her____then.
我实在弄不清这堆破介词了 大家帮帮忙吧